Large Strongyles (1) Flashcards by Rachel Rink | Brainscape

Q

Describe an adult large Strongyle

A

Mouth capsule

Large (1.5-5 cm)

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Q

Describe a large Strongyle egg

A

60-120 x 35-60 micro m

All the same

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Q

Describe the life cycle

A

Direct

L3 (can be distinguished to identify) ingested from grass

PPP: 6-11 months

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Q

Explain the sites of infection

A

Adults - lumen of the large intestine

L3/L4 location - species dependent

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Q

Describe the Pathogenesis

A

Larvae migration in organs - colic

Adults bloodsuckers/plug feeders - anemia

More pathogenic

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Q

Describe the clinical signs

A

Anemia

Larval effects differ between species

Colic - most typical

Fever

Anorexia

Constipation

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Q

How do you diagnose?

A

Eggs in fecal flotation (McMaster)

Identification of L3

Ultrasound/arteriography for migrating larvae

Necropsy

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Q

What is the treatment and prevention?

A

No anthelmintic resistance

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Q

What are the hosts?

A

All equid species

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